deps: update dependency io.grpc:grpc-bom to v1.32.1

[renovate-bot]

This PR contains the following updates:

Package	Update	Change
io.grpc:grpc-bom	minor	1.31.0 -> 1.32.1

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Release Notes

grpc/grpc-java

v1.32.1

Compare Source

API Changes

• api: Removed deprecated method ChannelBuilder.blockingExecutor() (#​7242). There should not be any users as it was deprecated the first release it was available and was renamed offloadExecutor().
• grpclb: Make ATTR_LB_ADDRS public (#​7230). This is necessary to configure grpclb from a custom NameResolver

New Features

• xds: perform header matching on concatenated multi-valued headers (#​7215)
• xds: add header matching special cases for hiding/exposing some gRPC headers (#​7224). The only gRPC header available for header matching is “content-type”.
• xds: support load reporting all clusters option and fix actual report interval measurement (#​7209). If the LRS response enables send_all_clusters, the client side will report loads for all clusters it is currently using.

Bug Fixes

• core, alts, cronet: Fix ByteBuffer covariant method usages (#​7349). When built with Java 9+, internal usages of ByteBuffer APIs may cause runtime breakage for dependent applications running with Java 8. This is fixed now.
• core: Fixed a bug that RPC may hang when hedging is enabled with a throttling configuration (#​7337)
• netty: The environment variable GRPC_EXPERIMENTAL_AUTOFLOWCONTROL=false will now disable the BDP monitoring introduced in v1.30.0. This is intended to help diagnose a “too_many_pings” compatibility issue and will be removed once it is resolved. If you need to use the variable, please file an issue
• benchmarks: Use correct classpath for scripts (the ones in the bin/ folder of the tar/zip), fixing NoClassDefFoundErrors. The classpath was probably broken starting in v1.30.
• xds: routing policy should immediately update a picker that selects base on updated config (#​7233)

Dependencies

• netty: Upgrade to Netty 4.1.51 and tcnative 2.0.31
• android, cronet: Drop support for android SDK versions older than 16 (#​7253). The minimum supported Android SDK version is 16.

Acknowledgements

@​susinmotion
@​trustin
@​wanyingd1996

v1.31.1

Compare Source

Bug Fixes

• netty: The environment variable GRPC_EXPERIMENTAL_AUTOFLOWCONTROL=false will now disable the BDP monitoring introduced in v1.30.0. This is intended to help diagnose a “too_many_pings” compatibility issue and will be removed once it is resolved. If you need to use the variable, _please_ file an issue
• examples: some gRPC artifacts are missing in JCenter causing Android examples to sometimes fail to build. Now we are adding mavenCentral as fallback for the Android examples. See #​5782
• xds: meshCA protocol buffers added in v1.31.0 are now properly shaded in an internal package
• xds: fixed some internal breakage for traffic splitting

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[codecov]

Codecov Report

Merging #270 into master will increase coverage by 58.42%.
The diff coverage is n/a.

@@              Coverage Diff              @@
##             master     #270       +/-   ##
=============================================
+ Coverage      9.19%   67.62%   +58.42%     
- Complexity       32      384      +352     
=============================================
  Files            36       36               
  Lines          1968     1986       +18     
  Branches        260      269        +9     
=============================================
+ Hits            181     1343     +1162     
+ Misses         1775      535     -1240     
- Partials         12      108       +96     

Impacted Files	Coverage Δ	Complexity Δ
...va/com/google/cloud/http/HttpTransportOptions.java	56.94% <0.00%> (-1.63%)	10.00% <0.00%> (ø%)
...src/main/java/com/google/cloud/MetadataConfig.java	0.00% <0.00%> (ø)	0.00% <0.00%> (ø%)
...a/com/google/cloud/testing/BaseEmulatorHelper.java	31.42% <0.00%> (+31.42%)	5.00% <0.00%> (+5.00%)
...c/main/java/com/google/cloud/BaseWriteChannel.java	36.50% <0.00%> (+36.50%)	18.00% <0.00%> (+18.00%)
...src/main/java/com/google/cloud/ServiceOptions.java	43.87% <0.00%> (+43.87%)	33.00% <0.00%> (+33.00%)
...core/src/main/java/com/google/cloud/ByteArray.java	46.66% <0.00%> (+46.66%)	12.00% <0.00%> (+12.00%)
...re/src/main/java/com/google/cloud/RetryHelper.java	50.00% <0.00%> (+50.00%)	2.00% <0.00%> (+2.00%)
...re/src/main/java/com/google/cloud/BaseService.java	55.55% <0.00%> (+55.55%)	2.00% <0.00%> (+2.00%)
.../src/main/java/com/google/cloud/NoCredentials.java	60.00% <0.00%> (+60.00%)	4.00% <0.00%> (+4.00%)
...-core/src/main/java/com/google/cloud/PageImpl.java	61.11% <0.00%> (+61.11%)	8.00% <0.00%> (+8.00%)
... and 20 more

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